"High Frequency Ceramic Solutions" 915 MHz Antenna Detail Specification: P/N 0915AT43A0026 Page 1 of 3 4/10/2013 General Specifications Part Number Frequency (MHz) Peak Gain (XZ-total) Average Gain (XZ-total) Return Loss Recommended Application ISM 0915AT43A0026 902 - 928 Mhz -1.0 dBi typ. -4.0 dBi typ. 8.5 dB min. Part Number Explanation P/N Suffix Packing Style Termination style Bulk (loose) T&R 100% Tin Tin / Lead Mechanical Dimensions L W T a 0.276 0.079 0.031 0.020 In ± 0.008 ± 0.008 ± +.004/-.008 ± 0.012 7.00 2.00 0.80 0.50 Input Power Operating Temperature Recommended Storage Conditions Reel Quanity 2W max. (CW) -40 to +85°C +5 to +35°C, Humidity 45~75%RH 1,000 Suffix = S eg. 0915AT43A0026S Suffix = E eg. 0915AT43A0026E Suffix = E or S eg. 0915AT43A0026(E or S) Please Consult Factory Terminal Configuration No. Function Feeding Point 1 NC* 2 mm ± 0.20 ± 0.20 ± +0.1/-0.2 ± 0.30 a T L 2 1 *This terminal must be soldered for anchoring and functionality purposes Mounting Considerations I Mount these devices with brown mark facing up. *Line width should be designed to provide 50 Ω impedance matching characteristics. With Matching Circuit 1.0 8.0 5.5 GND Plane 10 nH * 2.0 0.5 pF 4.7 nH 0.5 GND Plane All units in: mm Matching circuit**: See Note 2 on next page! 5.0 2.5 JTI P/N for Matching Circuit:** Inductor (4.7nH):L07C4N7SV6T 7.0 **matching circuit and component values will depend on PCB layout, thickness, material, etc. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver 1.4 2013 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 915 MHz Antenna Detail Specification: P/N 0915AT43A0026 Page 2 of 3 4/10/2013 Recommended Application ISM Mounting Considerations II 9.5mm 40mm 50Ω Feed Line (make sure proper calculation are applied to achieve this. 20mm GND Plane Johanson Test Board (orderable) p/n: 0915AT43A0026-EB1SMA Yellow areacomplete GND and layer clearance free of metal below and above. GND Plane 19mm (can be shortened as needed, won't influence performance) **Note 2: It is recommended that the designer leave available slots for a "pi" (or shuntseries-shunt) network. The antenna matching network values above are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different. Go to: http://johansontechnology.com/tuning and see how to obtain the new values. If you need further help, contact our RF Applications Eng. Team at: Return Loss (with matching) 0 -5 m1 freq=902.0MHz dB(S(1,1))=-11.217 m2 freq=928.0MHz dB(S(1,1))=-11.807 m3 freq=915.0MHz dB(S(1,1))=-43.257 m1m2 -10 dB(S(1,1)) -15 -20 -25 -30 -35 -40 -45 0.5 m3 0.6 0.7 0.8 0.9 1.0 1.1 1.2 1.3 freq, GHz Johanson Technology, Inc. reserves the right to make design changes without notice. Please confirm the specifications and delivery conditions when placing your order. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver 1.4 2013 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 915 MHz Antenna Detail Specification: P/N 0915AT43A0026 Page 3 of 3 4/10/2013 Typical Radiation Performance @ 25° C using 0915AT43A0026-EB1SMA Typical Radiation Patterns XY-V/XY-H Z ) Recommended Application ISM XY cut @915MHz Vertical Horizontal 180° X 270° 90° Y 0° XZ-V/XZ-H XY-cut scanning direction XZ cut @915MHz Vertical Horizontal Y 180° X 270° 90° Z 0° XZ-cut scanning direction YZ cut @915MHz Vertical Horizontal YZ-V/YZ-H X ) 180° Y 270° 90° Z 0° YZ-cut scanning direction Johanson Technology, Inc. reserves the right to make design changes without notice. Please confirm the specifications and delivery conditions when placing your order. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 Ver 1.4 2013 Johanson Technology, Inc. All Rights Reserved